Page 263 - Algebra 1

23. Write 0.00608 in scientific notation. (37)
24. Error Analysis Two students write 1.32 × 10-5 in standard form. Which student is (37) correct? Explain the error.
25. Verify Show that 4_3 is the solution to _1 = _4 .
(31)
(32)
Student A
0.00000132
Student B
0.0000132
n-1 15
26. Evaluatetheexpression z2 if x=3,y=4,andz=-2.
4_ x2y-2
27. Analyze The odds of winning a CD in a raffle are 3:7. Explain how to find the (33) probability of not winning a CD.
28. StampCollecting Thetableshowssomecollectiblestampswiththeirestimated (25) values. Explain whether the ordered pairs, such as (2, $2) and (2, $3), will be a
function.
Number
Stamp
Value (low)
Value (high)
1
11¢ President Hayes (1931)
$2
$4
2
14¢ American Indian (1931)
$2
$3
3
4¢ President Taft (1930)
$1
$3
4
1¢ Benjamin Franklin (1911)
$5
$50
29. Salaries Inaninterviewwithapotentialemployee,an
(27) employer shows a line graph displaying the average salary of employees over several years. Explain why the graph is
potentially misleading and why the employer might have shown this graph.
30. Formulate Write a rule for the table in function notation. (30)
30,000 28,000 26,000 24,000 22,000
Salaries
2000 2001 2002 2003 2004 2005
g
2
4
6
8
10
f (g)
1.5
2.5
3.5
4.5
5.5
248 Saxon Algebra 1